COMException: OpenClipboard 失敗 (Exception from HRESULT: 0x800401D0 (CLIPBRD_E_CANT_OPEN))
   於 System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
   於 System.Windows.Clipboard.GetDataObjectInternal()
   於 IntelliTools.Domain.MyClipboard.ClipItemFactory.CreateFromClipboard()
   於 IntelliTools.View.BackgroundWindow.LasyOnClipboardChanged()
   於 IntelliTools.View.BackgroundWindow.Timer_Tick(Object sender, EventArgs e)
   於 System.Windows.Threading.DispatcherTimer.FireTick(Object unused)
   於 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   於 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)